mole-mole
mass in grams of 1 mole of a substance
molar mass
sum of atomic masses for all atoms composing the molecule
molecular mass
the amount of substance containing the same number of atoms, molecules, ions, or other entities as the number of atoms
mole
conversion amounts in moles of any two substances in a chemical reaction
mole ratio
How many moles of hydrogen are produced from the reaction of 3.0 moles of zinc with hydrochloric acid?
Zn + 2HCl → ZnCl2 + H2
3.0 moles of H
How many grams are in 3.7 moles of Na2O?
3.7 moles Na2O x 62 g Na2O / 1 mole Na2O = 230 g Na2O
How many moles are in 40.0 grams of water?
40.0 g H2O x 1 mole H2O / 18.01 g H2O = 2.22 mole H2O
How many grams of KCl are produced if 25.0g of KClO3
2KClO3 → 2KCl + 3O2
15.2g of KCl
How many moles of potassium nitrate are produced when 2.5 moles of potassium phosphate react?
K3PO4 + Al(NO3)3 → 3KNO3 + AlPO4
7.5 moles of potassium nitrate
How many grams are in 4.5 moles of sodium fluoride, NaF?
4.5 moles x 41.99 grams / 1 mole = 188.955 g NaF
Moles are in 98.3 grams of aluminum hydroxide, Al(OH)3?
98.3 grams x 1 mole / 78.01 grams = 1.2601 moles Al(OH)3
How many grams of silver chloride are produced from 5.0 g of silver nitrate reacting with barium chloride?
2AgNO3 + BaCl2 → 2AgCl + Ba(NO3) 2
4.2 g silver chloride
How many moles of oxygen are necessary to react completely with 4.0 moles of propane (C3H8)?
2KClO3 → 2KCl + 3O2
12 moles of O
Grams are in 2.4 moles of sulfur?
2.4 moles x 32.07 grams / 1 mole = 76.97 grams sulfur =
Moles in 15 grams of lithium?
15 grams x 1 mole / 6.94 grams = 2.1614 moles lithium
How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen?
N2 + 3H2 → 2NH3
10.8g hydrogen